Finding the Fourth Proportional to 179,107.60, 268,596.60 and 72,446.80
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Solution
The fourth proportional to 179,107.60, 268,596.60 and 72,446.80 is: 108,643.99
Step by Step Solution
- Step 1: Write the proportion equation
179,107.60 : 268,596.60 = 72,446.80 : x - Step 2: Convert to fraction form
179,107.60/268,596.60 = 72,446.80/x - Step 3: Cross multiply
179,107.60x = 268,596.60 × 72,446.80 - Step 4: Simplify right side
179,107.60x = 19,458,964,160.88 - Step 5: Solve for x
x = 19,458,964,160.88/179,107.60 - Step 6: Final answer
x = 108,643.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.